Xinxian Mushroom is a geographical indication certification trademark.

Shen County is affiliated to Liaocheng City, Shandong Province. It is located in the western Shandong Plain, at the junction of Hebei, Shandong and Henan provinces. Shen County has a long history of growing mushrooms, with large area, high yield and good quality. It is one of the largest edible fungus cultivation bases in the country and a national ecological demonstration zone. Over the years, Shenxian County has attached great importance to the development of the edible fungi industry, taking it as the leading industry to revitalize the rural economy of Shenxian County. It has continuously optimized the variety structure, expanded the planting scale, cultivated leading enterprises, and improved the market system. The county has formed a mushroom industry based on Agaricus bisporus. , straw mushroom, copri mushroom, king oyster mushroom, white mushroom, pearl mushroom, pleurotus pleurotus, tea tree mushroom, shimeji mushroom, oyster mushroom and other varieties have a good development pattern. In recent years, Shen County has been rated as the "Hometown of Agaricus bisporus in China", "National Advanced County in Edible Fungi Industry", "Top Ten Commodity Base Counties in National Edible Fungi Industry", "National Edible Fungi Standardization Demonstration County", "Shandong Province Straw Honorary titles such as "Demonstration County for the Promotion of Mushroom Technology Achievements" and "Top Ten Main Production Base Counties in the National Edible Fungi Industry". In January 2010, "Xinxian Mushroom" was successfully registered as a geographical indication certification trademark.